A popular Chinese microblogging site has posted an job advertisement for a "monitoring editor." The WSJ's Deborah Kan talks to Paul Mozur about what's the real meaning behind the posting.

This transcript has been automatically generated and may not be 100% accurate.

... the ... the secret that China censors the Internet but what's the history and who exactly is censoring its ... joining me now from Beijing is all measure ... call you actually found an ad and advertising for sensors right ... iam in this ad was posted by I see no corporate which you know runs the micro blog service to the fleet Twitter ... called wee boy and that was the actually on their own we Abel account aam ... it's actually a good job search account they have to recruit way for users on ... in the ad itself brings up um it's a job for a team on deterring any deer but the real consumption buzzword information security ... AMR Surrey information CPN and that's the kind that usually indicates censorship and in the Tennyson of Netscape ... and ALM so when he when he does things that it says this job came up on some of you know Chinese are traditionally ... seen a call on medicines responded I was fifty ADS below the comment one saying you know ... probably more monetary experience necessary lets editing experience Texas ... so what the criteria while I ... invented this Chabad really open to any landowner is how strange was that that it was it was when out in an effort to ... well I mean you bet we haven't seen this before but certainly um you know the the it's it's it's widely known that these companies to censor things for instance scene and its two thousand eleven report ... as you know going in to greet his talk at least a ballot on the fact that it needs to hire people to supervise certain few electronic bulletins that doesn't mean which were with things they are ... so we know this is happening we also seen certain things like you know ... cause the jump quite a bit for seen over the last year they've added a lot of staff ... has remained the questions about Wall who are obese people their hiring and we know that doing other things are building an infrastructure there trying to Mana ties that we've all products ... are the same time aam there's a lot of analysts concerned that some of these costs are going into hiring a lot of sensors ... I just has to go through the massive amounts of content posted every day ... um and in fact some analysts say that this is what separates the Chinese ... on Internet ... Isobel apart from other western ahead ... in its review of big companies like Twitter I don't have the six dancers company sixteen and to do ... so isn't really any Internet companies who have to censor all that content or to some extent does the government get involved or does anyone really know the answer to that question ... well it's it's a bit of both this kind of tube Broadway's to break down home censorship in China this is the keyword search censorship which is mostly gone by the government ... and that means you know if you go to look for information on something for instance say I Chen long tongue the add the wine and lawyer who was illegally detained ... for his work with Steenis doubt for sterilization and forced abortions and you know the CBC's it came to the center of things during the ... US aam ... the U S China strategic talks ... for him if you were to go in search for and I you would be a will find much information are ... and that's very much the work of the of the government but at the same time on the Select running in answer to bulletin boards ... and east of Twitter like services he of all of the companies actually have to provide ad censorship themselves and the go ahead sir about in front of the government and trim back information in other cases like you know boy she lies to the Politburo member has fallen ... he's funny and the dizzying heights of power in its letter scandal has been a big stories yearly week um a lot of information guys get through the baby gets trimmed back on these message boards ... OK and on any sense I mean obviously back in nineteen eighty nine during Tiananmen it was much easier to censor content because you had your outlets but ... any sense and now on whether or not the government is actually losing control over information given the fact that there's so many bloggers out there today ... you know again economy breaks down into these the sort of two prongs of weekend long term you know really was very much a search block aam ... and therefore was really hard to get content up on him and he knew was to prepare pre prepared kind of things that the dishes Domino's is going to happen they're they're pretty effective ... at stopping the flow of information but when there's a sudden breaking news event that you can anticipate for instance the out high-speed rail crash and when Joe earlier this year said last year ... aam ... were awesome tonight Borsch Eli on the CIA's DDA the sheer number of posts is impossible to sit stand still ... I it means that they do have trouble and let them pray she does get through ... the defence that detainees and it is only still small part of the Dean of the overall Chinese community on the incident and long time aam it took a lot of our time appear ... this reporting on it but now we actually walked onto the streets and brought it up with you know some Chinese people the day to day interactions with a lot of them you didn't know the ones I was going on with that so and certainly more is getting up at the same time I there there's still you know in many many Chinese people during the dark on a lot of these issues at a common share from Dave James thanks Fran much for joining us